San Antonio Oeste is located in Viedma city, Argentina at the -40.7319, -64.9477 coordinates. Distance from San Antonio Oeste to other cities. are listed below, click on the city name to find distance between. Distance from San Antonio Oeste to San Carlos de Bariloche 536 km, to Cipolletti 328 km, to General Roca 294 km. The green marker indicates the location of San Antonio Oeste.